I would have 2 concerns:
1. Is the fixture UL listed? There are a lot of stories out there about cheap aquarium fixtures starting on fire.
2. It looks to me as if the bulbs are not individually reflected. This will significantly reduce your PAR at depth. Good T5HO fixtures have individual reflectors for each bulb.
What do you plan to use this for? (size of tank and application, i.e. reef or FW